It lived in jurassic period it lived 145 millions year ago.
A stegosaurus is a herbivore it like to eat plant.
The stegosaurus plates have blood in it go color to color if it go to red it is hot and hot it go to a shower and his plates are cold the stegosaurus good to go.
The stegosaurus is 9 feet tall and 29 to 30 feet long it pounds 6.800.
The stegosaurus uses it plates to hides away for t-rex and allosaurus the like to eat yum meat.